EP2823194A2 - Dual threaded release bolt for spring brake actuators - Google Patents
Dual threaded release bolt for spring brake actuatorsInfo
- Publication number
- EP2823194A2 EP2823194A2 EP07835584.9A EP07835584A EP2823194A2 EP 2823194 A2 EP2823194 A2 EP 2823194A2 EP 07835584 A EP07835584 A EP 07835584A EP 2823194 A2 EP2823194 A2 EP 2823194A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- release bolt
- threaded
- bearing
- square
- spring brake
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000009977 dual effect Effects 0.000 title claims abstract description 29
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 20
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 20
- 239000004411 aluminium Substances 0.000 claims abstract description 20
- 238000000034 method Methods 0.000 claims description 5
- 230000007257 malfunction Effects 0.000 claims description 2
- 230000000007 visual effect Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
- B60T17/08—Brake cylinders other than ultimate actuators
- B60T17/085—Spring loaded brake actuators
- B60T17/086—Spring loaded brake actuators with emergency release device
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2121/00—Type of actuator operation force
- F16D2121/14—Mechanical
Definitions
- the present invention relates to the dual threaded release bolt which enables the spring brake actuator to be released faster and easier way as a result of increasing the distance to be taken by the bolt in one turn by increasing the number of its thread.
- a spring brake actuator consists of service brake chamber; operating under normal driving conditions and park chamber; steps in if there is air leakage or in case the air is exhausted intentionally.
- a spring packed in the park chamber is compressed with compressed air. As the spring is released when the compressed air is exhausted by leakage or the air is exhausted intentionally, spring expands and the energy stored in the spring is converted into braking force and provides braking.
- released actuator means that the emergency spring in the actuator is manually caged. And the system providing to cage this spring manually -which is normally compressed by compressed air- is the releasing system
- this invention also enables visual indication by moving one end of the release bolt outside to the canister and the operator is informed about the situation of the actuator.
- a spring brake actuator consists of service brake chamber operating under normal driving conditions and park chamber steping in if there is air leakage or in case the air is exhausted intentionally.
- a spring in the park chamber is compressed with compressed air. As the spring is released when the compressed air is exhausted by leakage or the air is exhausted intentionally, spring expands and the energy stored in the spring is converted into braking force and provides braking.
- the emergency spring (3) expands and pushes the piston (6) and aluminium pipe (1) connected to the piston (6), and provides the necessary braking force for the brake system.
- the main parts of the dual threaded release bolt (2) for spring brake actuator improved with this invention are; Square Nut (2) attached on the release bolt, Square groove where there is aluminium pipe (1) in which the Square nut (7) moves along, the stage occurred at the connection part of the aluminium pipe (1) and piston (6), the threaded bearing (8) at the place of simple bearing (9) on canister (4); and dual threaded square nut (7).
- Square nut (7) is located in the square bearing inside the aluminium pipe (1).
- triangular or other polygonal nuts can also be used.
- there is triangular or polygonal sectioned groove instead of the square groove inside the Aluminium pipe (1).
- the Release bolt (2) consisting of two parts: the first part (10) runs together with the threaded bearing (8) on the canister (4) of the spring brake actuator; and the second part (11) runs together with the square nut (7) inside the aluminium pipe (1) of which has a square groove inside. Being dual threaded, the threads on the second part (11) provides the Release bolt
- this invention enables the releasing procedure in a faster way, in case of emergencies where releasing the actuator needs to be made manually. Additionally, as part of the Release bolt (2) comes out of the canister (4), the operator is warned about the position of the actuator and operator can understand whether the actuator is released or not.
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Braking Systems And Boosters (AREA)
- Braking Arrangements (AREA)
- Diaphragms And Bellows (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL07835584T PL2823194T3 (en) | 2006-08-29 | 2007-07-20 | Spring brake actuator comprising a dual threaded release bolt |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TR2006/04673A TR200604673A2 (en) | 2006-08-29 | 2006-08-29 | Mouthed bolt for emergency brake bellows |
PCT/TR2007/000068 WO2008027019A1 (en) | 2006-08-29 | 2007-07-20 | Dual threaded release bolt for spring brake actuators |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2823194A2 true EP2823194A2 (en) | 2015-01-14 |
EP2823194B1 EP2823194B1 (en) | 2018-02-28 |
Family
ID=38917361
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP07835584.9A Active EP2823194B1 (en) | 2006-08-29 | 2007-07-20 | Spring brake actuator comprising a dual threaded release bolt |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP2823194B1 (en) |
PL (1) | PL2823194T3 (en) |
TR (2) | TR200604673A2 (en) |
WO (1) | WO2008027019A1 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102410322B (en) * | 2011-09-30 | 2013-07-10 | 瑞立集团瑞安汽车零部件有限公司 | Spin-riveting-type spring brake chamber, brake system adopting same and vehicle |
DE102011119437A1 (en) * | 2011-11-25 | 2013-05-29 | Wabco Gmbh | Spring brake cylinder, for example for motor vehicle brakes |
DE102013114897A1 (en) * | 2013-12-27 | 2015-07-02 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Spring brake cylinder with emergency release device |
PL2944529T3 (en) * | 2014-05-14 | 2017-09-29 | Wabco Europe Bvba | Spring brake actuator for use in a commercial vehicle, release bolt, and use of such a bolt in said spring brake actuator |
CN104071140A (en) * | 2014-06-25 | 2014-10-01 | 嘉兴盛鼎机械有限公司 | Light weight all aluminum brake air chamber and preparation method thereof |
EP4223600A1 (en) | 2022-02-03 | 2023-08-09 | ZF CV Systems Europe BV | Spring brake actuator comprising a mechanical release mechanism with a release bolt and a spring element |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4129109A1 (en) * | 1991-09-02 | 1993-03-04 | Wabco Westinghouse Fahrzeug | DEVICE FOR AXIAL SHIFTING OF A COMPONENT |
JP4130976B2 (en) * | 1995-08-15 | 2008-08-13 | インディアン ヘッド インダストリーズ インコーポレイテッド | Spring brake actuator release tool |
-
2006
- 2006-08-29 TR TR2006/04673A patent/TR200604673A2/en unknown
-
2007
- 2007-07-20 TR TR2009/01508T patent/TR200901508T2/en unknown
- 2007-07-20 PL PL07835584T patent/PL2823194T3/en unknown
- 2007-07-20 EP EP07835584.9A patent/EP2823194B1/en active Active
- 2007-07-20 WO PCT/TR2007/000068 patent/WO2008027019A1/en active Application Filing
Non-Patent Citations (1)
Title |
---|
See references of WO2008027019A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2008027019A1 (en) | 2008-03-06 |
PL2823194T3 (en) | 2018-07-31 |
WO2008027019A8 (en) | 2008-07-24 |
TR200604673A2 (en) | 2008-03-21 |
EP2823194B1 (en) | 2018-02-28 |
TR200901508T2 (en) | 2009-04-21 |
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